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1020144142103 = 1277798859939
BaseRepresentation
bin11101101100001010101…
…01000100011100010111
310121112011121011212112012
432312011111010130113
5113203223400021403
62100351525214435
7133463060064212
oct16660525043427
93545147155465
101020144142103
11363705856019
1214586426141b
13752787a0c58
1437537930779
151b809ea5ed8
hexed85544717

1020144142103 has 4 divisors (see below), whose sum is σ = 1020943003320. Its totient is φ = 1019345280888.

The previous prime is 1020144142079. The next prime is 1020144142109. The reversal of 1020144142103 is 3012414410201.

1020144142103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1020144142103 - 224 = 1020127364887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020144142109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 399428693 + ... + 399431246.

It is an arithmetic number, because the mean of its divisors is an integer number (255235750830).

Almost surely, 21020144142103 is an apocalyptic number.

1020144142103 is a deficient number, since it is larger than the sum of its proper divisors (798861217).

1020144142103 is an equidigital number, since it uses as much as digits as its factorization.

1020144142103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798861216.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 1020144142103 its reverse (3012414410201), we get a palindrome (4032558552304).

The spelling of 1020144142103 in words is "one trillion, twenty billion, one hundred forty-four million, one hundred forty-two thousand, one hundred three".

Divisors: 1 1277 798859939 1020144142103